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ac-11.1 - [catalog] Pattern-hiding Displays
Control Statement
Conceal, via the device lock, information previously visible on the display with a publicly viewable image.
Control guidance
The pattern-hiding display can include static or dynamic images, such as patterns used with screen savers, photographic images, solid colors, clock, battery life indicator, or a blank screen with the caveat that controlled unclassified information is not displayed.
Control assessment-objective
information previously visible on the display is concealed, via device lock, with a publicly viewable image.
What is the solution and how is it implemented?
Add control implementation description here for control ac-11.1